101805

Appears in sequences

• Numbers k such that binomial(3k, k) - 1 is prime.at n=31A125220
• Total sum of the odd-indexed parts of all partitions of n.at n=29A207381
• a(n) is the smallest nonnegative integer such that a(n)! contains a string of exactly n consecutive 0's, not including trailing 0's.at n=11A252652
• a(n) is the smallest nonnegative integer such that a(n)! contains a string of exactly n consecutive 0's.at n=11A255400
• Pythagorean triples (X, Y, Z) that are the componentwise products of 2 primitive Pythagorean triples (x,y,z) and (r,s,t), that is, X=x*r, Y=y*s, ordered by increasing Z.at n=20A340790